[SCHEDULE 13G/A] Semtech Corp SEC Filing

Rhea-AI Filing Summary

Semtech Corporation (SMTC) is the subject of an amended Schedule 13G/A reporting institutional holdings by Ameriprise Financial, Inc. (AFI) and Columbia Management Investment Advisers, LLC (CMIA). AFI reports an aggregate beneficial ownership of 7,175,860 shares, representing 8.3% of the class. CMIA reports 6,883,183 shares, representing 7.9% of the class. Both reporting persons state zero sole voting and sole dispositive power and record their voting and dispositive powers as shared.

The filing lists AFI as a Delaware corporation with a Minneapolis office and CMIA as a Minnesota entity with a Boston office. AFI notes it is the parent company of CMIA and that AFI's reported total includes the shares separately reported by CMIA, though each party disclaims beneficial ownership. The signatory certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Positive

• Ameriprise reports aggregate ownership of 7,175,860 shares (8.3% of class)
• Columbia Management reports ownership of 6,883,183 shares (7.9% of class)
• Both reporting persons certify the securities are held in the ordinary course and not to influence control
• Filing provides detailed shared voting and dispositive power breakdowns for transparency

Negative

• None.

Insights

Securities/Institutional Ownership Analyst

TL;DR: Two institutional filers report sizable shared stakes in Semtech while disclaiming sole control; holdings are certified as ordinary-course.

The Schedule 13G/A discloses that Ameriprise Financial, Inc. reports 7,175,860 shares (8.3%) and Columbia Management Investment Advisers, LLC reports 6,883,183 shares (7.9%). Both reporting persons indicate no sole voting or dispositive power and record voting and dispositive authority as shared, and AFI states its total includes CMIA's reported holdings while disclaiming beneficial ownership. Item 10 certification explicitly states the securities are held in the ordinary course and not to influence control. From a reporting perspective, these are material ownership amounts disclosed under Schedule 13G/A, with the filing providing clear ownership and power breakdowns.

Corporate Governance Expert

TL;DR: Significant institutional positions disclosed, with both filers disclaiming sole control and certifying passive intent.

The filing identifies AFI and CMIA as reporting persons and provides specific shared voting and dispositive power figures: AFI reports 6,797,965 shared voting power and 7,175,860 shared dispositive power; CMIA reports 6,734,202 shared voting power and 6,883,183 shared dispositive power. The parent/subsidiary relationship is noted and an exhibit is referenced for subsidiary identification. The signatory attests the holdings were not acquired to alter control. As disclosed, governance implications are limited by the filers' disclaimers and the stated lack of sole voting or dispositive authority.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Semtech Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

816850101

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 816850101

1

Names of Reporting Persons

Ameriprise Financial, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 6,797,965.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 7,175,860.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,175,860.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

8.3 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 816850101

1

Names of Reporting Persons

Columbia Management Investment Advisers, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MINNESOTA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 6,734,202.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 6,883,183.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,883,183.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

7.9 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Semtech Corporation
(b)	Address of issuer's principal executive offices: 200 Flynn Road, Camarillo, California, 93012
Item 2.
(a)	Name of person filing: (a) Ameriprise Financial, Inc. ("AFI") (b) Columbia Management Investment Advisers, LLC ("CMIA")
(b)	Address or principal business office or, if none, residence: (a) 145 Ameriprise Financial Center, Minneapolis, MN 55474 (b) 290 Congress Street, Boston, MA 02210
(c)	Citizenship: (a) Delaware (b) Minnesota
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 816850101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: Incorporated by reference to Items (5)-(9) and (11) of the cover page pertaining to each reporting person. AFI, as the parent company of CMIA, may be deemed to beneficially own the shares reported herein by CMIA. Accordingly, the shares reported herein by AFI include those shares separately reported herein by CMIA. Each of AFI and CMIA disclaims beneficial ownership of any shares reported on this Schedule.
(b)	Percent of class: The information required by Item 4(b) is set forth in Rows (5)-(9) and (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.
	(ii) Shared power to vote or to direct the vote: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.
	(iii) Sole power to dispose or to direct the disposition of: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.
	(iv) Shared power to dispose or to direct the disposition of: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. AFI: See Exhibit I
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Ameriprise Financial, Inc.

Signature:	/s/ Michael G. Clarke
Name/Title:	Michael G. Clarke, Senior Vice President, North America Head of Operations & Investor Services
Date:	08/14/2025

Columbia Management Investment Advisers, LLC

Signature:	/s/ Michael G. Clarke
Name/Title:	Michael G. Clarke, Senior Vice President, North America Head of Operations & Investor Services
Date:	08/14/2025

Comments accompanying signature: Contact Information Charles Chiesa VP Fund Treasurer Global Operations and Investor Services Telephone: 617-385-9593 Exhibit Index Exhibit I Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company. Exhibit II Joint Filing Agreement

FAQ

How many Semtech (SMTC) shares does Ameriprise Financial report holding?

Ameriprise Financial reports an aggregate beneficial ownership of 7,175,860 shares, representing 8.3% of the class.

What stake does Columbia Management Investment Advisers (CMIA) report in SMTC?

CMIA reports beneficial ownership of 6,883,183 shares, representing 7.9% of the class.

Do the filers report sole voting or dispositive power over the Semtech shares?

No. Both AFI and CMIA report zero sole voting power and zero sole dispositive power; voting and dispositive powers are reported as shared.

Does Ameriprise include Columbia's holdings in its reported total?

Yes. AFI states it is the parent of CMIA and that AFI's reported total includes the shares separately reported by CMIA, while also disclaiming beneficial ownership.

What certification do the reporting persons make about their intent?

The signatory certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.